DNA Testing Locations - Castro Valley, CA

Paternity, Child Custody, Court

With 38 testing centers in the Castro Valley area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

38 DNA-Testing Centers in Castro Valley

Minutes Away, Test Today

20400 Lake Chabot Rd Ste 101,

0.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20400 Lake Chabot Rd Ste 101,
Castro Valley, CA 94546

24326 Mission Blvd Ste 3

2.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
24326 Mission Blvd Ste 3
Hayward, CA 94544

13939 E 14th St

3.27 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
13939 E 14th St
San Leandro, CA 94578

27200 Calaroga Ave

4.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
27200 Calaroga Ave
Hayward, CA 94545

26250 Industrial Blvd Ste 32

4.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
26250 Industrial Blvd Ste 32
Hayward, CA 94545

2587 Merced St

4.49 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
2587 Merced St
San Leandro, CA 94577

29000 Hesperian Blvd

5.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
29000 Hesperian Blvd
Hayward, CA 94545

1555 Doolittle Dr Ste 180

5.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1555 Doolittle Dr Ste 180
San Leandro, CA 94577

3555 Whipple Rd

6.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3555 Whipple Rd
Union City, CA 94587

7901 Oakport St Ste 4950 2nd Floor

7.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7901 Oakport St Ste 4950 2nd Floor
Oakland, CA 94621

7817 Oakport St

7.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7817 Oakport St
Oakland, CA 94621

401 Roland Way Ste 205

7.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Roland Way Ste 205
Oakland, CA 94621

33077 Alvarado Niles Rd

7.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
33077 Alvarado Niles Rd
Union City, CA 94587

33560 Alvarado Niles Rd

7.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
33560 Alvarado Niles Rd
Union City, CA 94587

7667 Amador Valley Blvd

8.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7667 Amador Valley Blvd
Dublin, CA 94568

5720 Stoneridge Mall Road, Suite 110

8.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5720 Stoneridge Mall Road, Suite 110
Pleasanton, CA 94588

2301 Camino Ramon Ste 108

8.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2301 Camino Ramon Ste 108
San Ramon, CA 94583

7601 Stoneridge Dr Fl 1

8.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7601 Stoneridge Dr Fl 1
Pleasanton, CA 94588

5601 Norris Canyon Rd Ste 140

8.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

6001 Norris Canyon Rd Ste 142

8.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6001 Norris Canyon Rd Ste 142
San Ramon, CA 94583

2421 Encinal Ave Ste A

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2421 Encinal Ave Ste A
Alameda, CA 94501

4847 Hopyard Rd Ste 4-424

10.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4847 Hopyard Rd Ste 4-424
Pleasanton, CA 94588

2111 Whitehall Place, Suite D

10.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2111 Whitehall Place, Suite D
Alameda, CA 94501

35500 Dumbarton Ct

10.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
35500 Dumbarton Ct
Newark, CA 94560

5635 W Las Positas Blvd

10.74 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5635 W Las Positas Blvd
Pleasanton, CA 94588

556 Mowry Avenue, Suite 103

10.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
556 Mowry Avenue, Suite 103
Fremont, CA 94536

2000 Mowry Ave

11.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 Mowry Ave
Fremont, CA 94538

2147 Mowry Ave Ste C1

11.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2147 Mowry Ave Ste C1
Fremont, CA 94538

3128 Santa Rita Rd

11.38 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3128 Santa Rita Rd
Pleasanton, CA 94566

3161 Walnut Ave

11.50 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-10:00 PM • Sat: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3161 Walnut Ave
Fremont, CA 94538

2324 Santa Rita Rd Ste 4

11.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2324 Santa Rita Rd Ste 4
Pleasanton, CA 94566

2224 Delucchi Dr

11.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2224 Delucchi Dr
Pleasanton, CA 94588

4000 Dublin Blvd Ste 150

11.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4000 Dublin Blvd Ste 150
Dublin, CA 94568

39180 Farwell Dr Ste 231

12.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
39180 Farwell Dr Ste 231
Fremont, CA 94538

3200 Busch Rd

12.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3200 Busch Rd
Pleasanton, CA 94566

1517 Grand Ave

12.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1517 Grand Ave
Piedmont, CA 94611

384 Embarcadero W

12.45 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
384 Embarcadero W
Oakland, CA 94607

1700 Broadway Ste 310

12.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 Broadway Ste 310
Oakland, CA 94612

How It Works

Legal DNA test – when needing a DNA test for paternity, child custody or any court ordered purpose a legal DNA test must be performed at a testing center, the child/children and the alleged father will be scheduled to go to one of our many testing centers nationwide with appropriate documentation, identification, and the test will be performed by a qualified DNA test collector who will then send the specimen to a certified AABB laboratory. Results will be available in approximately 10 days after the laboratory receives the specimen.

Non-legal DNA test -this test is performed for informational purposes only, a DNA certified test kit will be sent to the purchaser via regular mail or overnight delivery. The kit will include clear instructions of how to perform the DNA test, the purchaser will utilize an oral fluid swab for the child/children and alleged father. upon completion the specimen will be placed in a prepaid delivery envelope and sent to our AABB certified laboratory. Results will be available in approximately 10 days after the specimens are received at the laboratory. Please remember the non-legal DNA test cannot be used in a court of law or for any legal purpose.

Castro Valley DNA Testing

DNA Testing Services Available at Our Castro Valley, CA Labs:

Discover Accredited Drug Testing services in Castro Valley, CA, to explore your genetic makeup with unmatched precision. Whether you seek to confirm parentage, explore your ancestry, or need an immigration DNA test, our DNA analysis services offer reliable results with the highest DNA test accuracy. We don’t use at-home DNA kits; instead, our service focuses on quality, employing certified DNA collection specialists and advanced laboratory practices to ensure the DNA test cost is worth every penny. Embark on a journey of genetic discovery with us, feel assured with our thorough testing in the comfort of our nearby centers, and gain insights into your genetic heritage and health marker information.

Testing Types Available:

Legal DNA Testing

Legal DNA Testing offers court-admissible results with strict chain-of-custody protocols, ideal for custody, paternity, or immigration cases, ensuring accuracy and compliance with all legal standards.

Non-Legal DNA Testing

Standard DNA Testing provides informational and personal insights, perfect for ancestry or genealogical exploration, offering a detailed look into your genetic history without legal documentation.

How Our DNA Testing Works

Visit our Castro Valley, CA collection center for DNA sample collection. Our certified specialists ensure a painless and quick process, with samples securely sent for analysis.

Our laboratories perform detailed DNA sequencing and profiling using advanced technology, ensuring results in 3-5 days. We focus on consistent quality and accuracy throughout diagnostics.

Expect detailed insights into your genetic info, whether for genealogy, health, or legal reasons, all clearly outlined with data you can trust.

Accuracy and Reliability

Our DNA testing ensures over 99.9% accuracy through the use of AABB-accredited laboratories, guaranteeing each genetic marker is analyzed precisely to meet high legal and personal standards.

Regular audits and quality control measures underpin our DNA test accuracy, ensuring every step, from sample collection to final analysis, adheres to our commitment to reliability and precision.

Common Reasons for DNA Testing in Castro Valley

Establishing parentage for custody/support.
Our comprehensive DNA testing services determine parentage for custody and support disputes, providing court-admissible results. Such accurate proof helps judges ensure that parental responsibilities and financial support are allocated correctly.

Confirming familial relationships.
With our advanced genetic testing, identify familial bonds among siblings, grandparents, and others. Our genealogical DNA tests provide definitive answers, alleviate inheritance and relationship uncertainties, and strengthen family connections with assured accuracy.

Immigration cases requiring proof of biological relationships.
Our immigration DNA tests provide necessary evidence of familial ties for visa and citizenship processes. Legal, verified genetic results quicken family reunification, aiding bureaucratic processing with trusted clarity recognized by the authorities.

Adoption cases or identifying unknown biological relatives.
Use our DNA analysis services to explore adoption backgrounds, discovering unknown relatives and gaining invaluable insights into genetic history. This information offers closure and understanding, vital for health history and identity formation.

Genealogy and ancestry exploration.
Delve into your roots with our genealogical DNA tests, revealing ethnic backgrounds and discovering distant relatives. Connect with your heritage, using DNA sequencing to understand your ancestors’ migration patterns and cultural identity.

Castro Valley Legal and Court-Admissible Testing

Our DNA tests meet local legal standards in Alameda County for family law, promising accuracy and legal admissibility. Tests are performed under strict protocols, ensuring reliable results recognized by courts in Castro Valley, CA.

In Castro Valley, CA, our certified DNA testing services aid custody and family law proceedings. Adherence to Alameda County guidelines ensures authenticity and legal compliance, safeguarding the integrity of your paternity testing or sibling DNA test results.

Complying with Alameda County regulations, our services aid in custody disputes, inheritance issues, and more. Families in Castro Valley, CA, trust our detailed processes and secure documentation in complex family law cases, ensuring fair resolutions.

Castro Valley California Community Resources

Bay Area Family Law Center
Specializes in family law cases, offering legal counsel for custody and paternity issues in Alameda County.

Alameda Immigration Services
Provides assistance on immigration-related DNA testing requirements.

Alameda County Superior Court
Handles family law cases requiring DNA tests as evidence.

Alameda Health System
Offers health resources and genetic counseling services in support of DNA testing in Alameda County.

Alameda County Public Health
Provides public health resources and information crucial to understanding genetic testing.

Local Legal Aid
Offers assistance for individuals seeking legal advice related to DNA testing in family law matters.

Castro Valley Drug Testing

Quickly find trusted local drug testing centers in Castro Valley, CA — fast, convenient, and reliable every time!

Castro Valley DOT Drug Testing

Quickly find a local DOT drug testing center in Castro Valley, CA — fast, reliable, convenient nationwide service!

Castro Valley DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Castro Valley, CA.

Castro Valley Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Castro Valley, CA.v

Castro Valley Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Castro Valley, CA locations—results you can trust, every time!

Castro Valley Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Castro Valley, CA.

Castro Valley Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Castro Valley, CA.

Castro Valley 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Castro Valley, CA employers and individuals nationwide.

Castro Valley 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Castro Valley, CA workplace and personal testing needs.

Castro Valley On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Castro Valley, CA workplace compliant.

Castro Valley DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Castro Valley, CA drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

Yes. Accredited Drug Testing provides access to DNA collection locations nationwide. In most cases, individuals can be scheduled at a site close to their home, workplace, attorney’s office, or court jurisdiction for convenience.
Yes, if it is ordered as a legal paternity DNA test and collected under strict chain-of-custody procedures. During a legal test, each tested party’s identity is verified, the collector documents the handoff of the swabs, and the lab issues a report suitable for court, child support enforcement, and other official proceedings.
Accredited Drug Testing also offers non-legal DNA testing. This option still compares DNA profiles but does not require the same level of identity documentation or chain of custody. These results are for personal knowledge and are typically not intended for courtroom use.
Immigration-related DNA testing is used to confirm a claimed biological relationship, such as parent and child, when other documentation is incomplete or unavailable. Properly collected and documented DNA samples can be submitted as supporting evidence in visa or residency applications.
Most DNA tests use a painless cheek swab (buccal swab). A trained collector swabs the inside of the cheek to collect cells containing each person’s DNA. In legal and immigration cases, this process is witnessed, logged, and sealed to protect the integrity of the results.
Yes. Results are released only to the authorized requesting party, such as the tested adult, legal guardian, attorney, court/probation contact, or designated immigration representative. All results are handled under strict confidentiality and documented securely.
Yes. Accredited Drug Testing provides relationship DNA tests, including grandparent DNA tests, sibling tests, avuncular (aunt/uncle) tests, and other kinship analyses. These tests help establish or confirm a biological relationship when one or both biological parents cannot participate.
In many cases, DNA collection appointments can be arranged quickly to meet legal timelines, court dates, immigration requests, or custody hearings. The collection is performed at an approved location and then sent for laboratory processing.

Customer Reviews

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024


(800) 221-4291